Patent application number | Description | Published |
20140310010 | APPARATUS FOR ENCODING AND APPARATUS FOR DECODING SUPPORTING SCALABLE MULTICHANNEL AUDIO SIGNAL, AND METHOD FOR APPARATUSES PERFORMING SAME - An encoding apparatus and a decoding apparatus supporting a scalable multichannel audio signal, and methods performed by the apparatuses art provided. When compressing and decompressing a multichannel audio signal to compress and reproduce high quality 3-dimensional (3D) audio, the apparatuses and the methods in integrated form of (1) a sound quality scalability function for providing various qualities of audio adaptively to a transmission environment, terminal performance, and a listening environment (2) a channel scalability function for providing multichannel signals of various formats adaptively to the transmission environment, the terminal performance, and a reproduction environment of a terminal, such as speaker arrangement, and (3) an object scalability function for independently controlling a particular audio object to maximize a 3D sound field effect. | 10-16-2014 |
20150030160 | BINAURAL RENDERING METHOD AND APPARATUS FOR DECODING MULTI CHANNEL AUDIO - Disclosed is a binaural rendering method and apparatus for decoding a multichannel audio signal. The binaural rendering method may include: extracting an early reflection component and a late reverberation component from a binaural filter; generating a stereo audio signal by performing binaural rendering of a multichannel audio signal base on the early reflection component; and applying the late reverberation component to the generated stereo audio signal. | 01-29-2015 |
20150255078 | AUDIO ENCODING APPARATUS AND METHOD, AND AUDIO DECODING APPARATUS AND METHOD - An audio encoding apparatus to encode an audio signal using lossless coding or lossy coding and an audio decoding apparatus to decode an encoded audio signal are disclosed. An audio encoding apparatus according to an exemplary embodiment may include an input signal type determination unit to determine a type of an input signal based on characteristics of the input signal, a residual signal generation unit to generate a residual signal based on an output signal from the input signal type determination unit, and a coding unit to perform lossless coding or lossy coding using the residual signal. | 09-10-2015 |
20150356975 | APPARATUS FOR PROCESSING AUDIO SIGNAL FOR SOUND BAR AND METHOD THEREFOR - An audio signal processing apparatus and method for reproducing a sound field using a sound bar are disclosed, wherein the audio signal processing apparatus may include an audio signal output unit to process an input signal and output an N channel audio signal and a speak signal generator to generate an M channel speaker signal using an audio signal output position of each channel and the N channel audio signal. | 12-10-2015 |
20150371645 | ENCODING/DECODING APPARATUS FOR PROCESSING CHANNEL SIGNAL AND METHOD THEREFOR - An encoding/decoding apparatus and method for controlling a channel signal is disclosed, wherein the encoding apparatus may include an encoder to encode an object signal, a channel signal, and rendering information for the channel signal, and a bit stream generator to generate, as a bit stream, the encoded object signal, the encoded channel signal, and the encoded rendering information for the channel signal. | 12-24-2015 |
20160112820 | VIRTUAL SOUND IMAGE LOCALIZATION METHOD FOR TWO DIMENSIONAL AND THREE DIMENSIONAL SPACES - A virtual sound image localization method in a two-dimensional (2D) space and three-dimensional (3D) space is provided. The virtual sound image localization method may include setting a reproduction region including at least one loudspeaker available in an output channel; dividing the reproduction region into a plurality of sub-regions; determining a sub-region in which a virtual sound source to be reproduced is located among the sub-regions; determining a panning coefficient used to reproduce the virtual sound source, based on the determined sub-region; and rendering an input signal based on the panning coefficient. | 04-21-2016 |
Patent application number | Description | Published |
20130170646 | APPARATUS AND METHOD FOR TRANSMITTING AUDIO OBJECT - An apparatus and method for transmitting a plurality of audio objects using a multichannel encoder and a multichannel decoder are provided. The audio object encoder includes a multichannel encoder determination unit to determine a multichannel encoder to be used for encoding of a plurality of audio objects according to the number of the audio objects, an encoding unit to generate an encoded signal by encoding the plurality of audio objects using the determined multichannel encoder, and a multichannel audio object signal generation unit to generating a multichannel audio object signal, by multiplexing sound image localization information of the plurality of audio objects along with the encoded signal. | 07-04-2013 |
20130170651 | APPARATUS AND METHOD FOR EDITING MULTICHANNEL AUDIO SIGNAL - An apparatus and method for generating a multichannel audio signal showing a 3-dimensional (3D) effect by editing an existing multichannel audio signal. The apparatus may include an output location determiner to determine location to output an object audio signal using editing information of the object audio signal, and a multichannel object audio signal generator to generate a multichannel object audio signal by allocating the object audio signal to channels corresponding to the location to output the object audio signal. | 07-04-2013 |
20130170652 | FRONT WAVE FIELD SYNTHESIS (WFS) SYSTEM AND METHOD FOR PROVIDING SURROUND SOUND USING 7.1 CHANNEL CODEC - Provided is a system and method for front wave field synthesis (WFS) to provide a surround sound with a reduced number of loudspeakers. An apparatus for encoding a front WFS signal in the front WFS system may include a content receiving unit to receive WFS content including the first channels corresponding to a front array speaker and the second channels corresponding to a rear surround sound speaker, and an encoding unit to encode the first channels and the second channels using a multichannel encoder corresponding to the number of the channels included in the WFS content. | 07-04-2013 |
20130322666 | METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNAL AND AUDIO PLAYBACK SYSTEM - A Method for processing an audio signal to use a beamforming technique in a three-dimensional (3D) space is disclosed. The method may include generating a beamforming signal on a horizontal plane related to a sound source in a three-dimensional (3D) space and modulating the beamforming signal to head for a listener in the 3D space from the sound source. | 12-05-2013 |
20130325476 | APPARATUS AND METHOD FOR GENERATING WAVE FIELD SYNTHESIS SIGNALS - An apparatus and method for generating a wave field synthesis (WFS) signal in consideration of a height of a speaker are disclosed. The WFS signal generation apparatus may include a waveform propagation distance determination unit to determine a propagation distance of a waveform propagate from a sound source based on a height of a speaker, and a WFS signal generation unit to generate a WFS signal corresponding to the speaker using the propagation distance of the waveform. | 12-05-2013 |
20140056430 | SYSTEM AND METHOD FOR REPRODUCING WAVE FIELD USING SOUND BAR - Disclosed is a system and method for reproducing a wave field that reproduces a wave field using a sound bar, the system including an input signal analyzer to divide an input signal into an audio signal for a plurality of channels, and identify a position of a loud speaker corresponding to the plurality of channels, a rendering unit to process the audio signal for the plurality of channels, using a rendering algorithm based on the position, and generate an output signal, and a loud speaker array to output the output signal using loud speakers corresponding to the plurality of channels, and reproduce a wave field. | 02-27-2014 |
20140140515 | APPARATUS AND METHOD FOR GENERATING MULTIMEDIA DATA, AND APPARATUS AND METHOD FOR PLAYING MULTIMEDIA DATA - An apparatus and method for generating multimedia data and an apparatus and method for playing multimedia data are disclosed. The apparatus for generating the multimedia data may include a spatial information identification unit to identify spatial information for a plurality of channels of a multi-channel audio signal, and a multimedia data generation unit to generate multimedia data including the spatial information, and the apparatus for playing the multimedia data may include a spatial information analysis unit to analyze spatial information for a plurality of channels of a multi-channel audio signal included in multimedia data, and a multimedia data playback unit to play multimedia data, based on the spatial information. | 05-22-2014 |
20140260899 | METHOD AND APPARATUS FOR DESCRIBING AND RESTORING JUNGGANBO - Provided is a method and apparatus for describing and restoring a jungganbo, the method of describing a jungganbo including analyzing a structure of the jungganbo based on gaks, daegangs, and junggans constituting the jungganbo, and generating jungganbo structure data describing the structure of the jungganbo, based on a result of the analyzing. | 09-18-2014 |
Patent application number | Description | Published |
20120170376 | SEMICONDUCTOR MEMORY DEVICE AND OPERATING METHOD THEREOF - A semiconductor memory device includes a plurality of memory cells, including an N well formed within a P type region and a P well formed within the N well, a peripheral circuit configured to perform a program, program verify, read, erase, or erase verify operation on memory cells selected from among the memory cells, a voltage supply circuit configured to generate a positive voltage and a negative voltage for the program, program verify, read, erase, or erase verify operation, and a control circuit configured to control the peripheral circuit and the voltage supply circuit so that the program, program verify, read, erase, or erase verify operation is performed and, when the program verify and read operations are performed, different voltage is supplied to the P well and the N well. | 07-05-2012 |
Patent application number | Description | Published |
20100007820 | LIQUID CRYSTAL DISPLAY DEVICE INCLUDING A COLD CATHODE FLUORESCENT LAMP AND CONTAINER FOR RECEIVING THE SAME - Disclosed are a cold cathode fluorescent lamp, a container for receiving the same and a liquid crystal display device having the container. The lamp includes a lamp tube, a first electrode having a first end disposed inside the lamp tube and a second end disposed outside the lamp tube and a second electrode plated on an outer surface of the lamp tube. The cold cathode fluorescent lamp is easily coupled/separated to/from the container having a clip type power-supplying module in a clip-coupling manner. In addition, a shock absorbing member is installed at the clip type power-supplying module so as to absorb an impact applied to the cold cathode fluorescent lamp. A brightness non-uniformity between cold cathode fluorescent lamps can be prevented, a power consumption of the cold cathode fluorescent lamp can be reduced, and an assembling work and productivity are remarkably improved. | 01-14-2010 |
20100045645 | BACKLIGHT ASSEMBLY HAVING EXTERNAL ELECTRODE FLUORESCENT LAMP, METHOD OF DRIVING THEREOF AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A backlight assembly has a lamp driving device for driving external electrode fluorescent lamps (EEFLs) parallel connected each other. The lamp driving device includes a power switch transistor, a diode, an inverter and a PWM controller. The transistor converts external DC power signal into pulse power signal based on switching signal, the diode prevents rush current from flowing into the transistor. The inverter converts the pulse power signal into AC power signal, raises voltage level of the AC power signal, and provides the lamps with the raised AC power signal. The PWM controller is activated by external on/off signal to provide the transistor with the switching signal so as to regulate voltage level of the AC power signal. The EEFLs can maintain a constant current level, and the backlight assembly can have characteristics of uniform luminance, high luminance and high heat efficiency. | 02-25-2010 |
Patent application number | Description | Published |
20080198119 | LIQUID CRYSTAL DISPLAY AND DISPLAY PANEL WITH INTEGRATED DATA-STORAGE - A liquid crystal display includes a display panel having a data-storing unit including transistors integrated into the display panel. The data-storing transistors of the data-storing unit may be formed in the same film (layer) as the TFT pixel transistors on the display panel. Each of the plurality of transistors of the data-storing unit includes an input electrode connected to one of a first voltage or a second voltage depending upon a bit of stored data, and an output electrode commonly connected to a data output terminal of the data-storing unit. The data-storing unit further includes and a Serial-In, Parallel-Out shift register supplied with a reset and first and second clock signals and connected to the input electrodes of the transistors, respectively. | 08-21-2008 |
20080198319 | THIN FILM TRANSISTOR SUBSTRATE AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A liquid crystal display device with a display region and a non-display region surrounding the display region, the liquid crystal display device comprising: a first substrate; a second substrate which faces the first substrate; and a liquid crystal layer which is interposed between the first substrate and the second substrate, the first substrate comprising: a first insulating substrate; gate and data lines which are formed on the first insulating substrate and intersecting each other; a pixel thin film transistor formed on the display region and electrically connected to the gate and data lines; a pixel electrode electrically connected to the pixel thin film transistor; a gate driver formed on the non-display region and connected to the gate line to drive the gate line; and a direct current (DC)/DC converter formed on the non-display region and comprises a converter thin film transistor and a capacitance part; the capacitance part includes: a first capacitance part which comprises a first electrode, a first dielectric layer formed on the first electrode, and a second electrode formed on the first dielectric layer; and a second capacitance part which comprises the second electrode, a second dielectric layer formed on the second electrode, and a third electrode formed on the second dielectric layer. | 08-21-2008 |
20080211786 | DISPLAY DEVICE - A display device, includes: a touch panel which outputs a predetermined enable signal corresponding to an external pressure; a display panel which includes a light detector responding to external light and generating a predetermined electrical signal representing the position of the light; and a panel driver which forms an image corresponding to the electrical signal on the display panel if the enable signal is input. | 09-04-2008 |
20110013113 | TFT AND TFT SUBSTRATE USING THE SAME, METHOD OF FABRICATING TFT SUBSTRATE AND LIQUID CRYSTAL DISPLAY - There are provided a TFT, a TFT substrate using the TFT, a method of fabricating the TFT substrate, and an LCD. The TFT includes a source region, a drain region, and a gate electrode having an opening. The opening of the gate electrode is to enhance the light sensing ability of the TFT when it is used as a light sensor, since light is incident into a region where the opening is formed. The TFT including the gate having the opening can be used in a substrate of a flat display or an LCD using such a substrate. The above TFT can sense light incident from outside the display to adjust the brightness of the screen according to the external illumination. | 01-20-2011 |
20120319124 | THIN FILM TRANSISTOR SUBSTRATE AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A display device with a display region and a non-display region surrounding the display region, the display device comprising: a first substrate and a second substrate. The first substrate comprises: a first insulating substrate; a gate line formed on the first insulating substrate; a pixel thin film transistor formed on the display region and electrically connected to the gate line; a pixel electrode electrically connected to the pixel thin film transistor; a gate driver formed on the non-display region and connected to the gate line; and a direct current (DC)/DC converter formed on the non-display region and having a capacitance part. The capacitance part includes: a first capacitance part with a first electrode, a first dielectric layer, and a second electrode; and a second capacitance part with the second electrode, a second dielectric layer, and a third electrode. | 12-20-2012 |